220020230320 has 40 divisors (see below), whose sum is σ = 558051313680. Its totient is φ = 80007356160.

The previous prime is 220020230251. The next prime is 220020230341. The reversal of 220020230320 is 23032020022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220020230294 and 220020230303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125010615 + ... + 125012374.

It is an arithmetic number, because the mean of its divisors is an integer number (13951282842).

Almost surely, 2^220020230320 is an apocalyptic number.

220020230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020230320 is an abundant number, since it is smaller than the sum of its proper divisors (338031083360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220020230320 is a wasteful number, since it uses less digits than its factorization.

220020230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250023013 (or 250023007 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 220020230320 its reverse (23032020022), we get a palindrome (243052250342).

The spelling of 220020230320 in words is "two hundred twenty billion, twenty million, two hundred thirty thousand, three hundred twenty".